HTML 4 has maxlength attribute to limit the number of characters entered in input text box and HTML 5 also supports this attribute as well. HTML 5 input now supports minlength validation using pattern attribute. Let’s see how can we accomplish minimum length for a text box.
Ajax Image Upload using PHP and jQuery is very important topic nowadays because everybody wants to save their data without refreshing the page. Today we are going to generate an Ajax based image uploader, which means the image file will be uploaded to server using Ajax request, without reloading the page.
The Bootstrap 3 css framework contains a pretty good navigation component called “navbar” which automatically collapse when the viewport is too small. The dropdown menu’s of the navbar open when clicking the main item. For a tablet or phone this behavior is fine, but when using a desktop you might want the menu’s to open when hovering them. So here we are discussing 2 Ways for Hover Dropdown in Bootstrap 3 Navbar.
This post is a sum up of when creating the id attributes for HTML elements, what rules are there to follow for the value of id? According to HTML4 specifications: ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens (“-“), underscores (“_”), colons (“:”), and periods (“.”).
Recently Google introduced a simplified “captcha” verification system (video) that enables users to pass the “captcha” just by clicking on it. This API utilizes an Advanced Risk Analysis engine that is capable of discerning between users and bots
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- strpos – Find the position of the first occurrence of a substring in a string.
- strstr – Find the first occurrence of a string
- preg_match – Perform a regular expression match
Due to difference between CSS media queries based on max-width and jQuery’s ‘$(window).width()’ measurement (caused by the inconsistent ways in which browser media queries handle scrollbars), there is always a mismatch between ‘jQuery $(window).width()’ and CSS3 Media Queries. Which in turn causes some ugly or unexpected behaviour by your responsive website.
Here is simple CSS rule to convert an image to grayscale using CSS or making image appear as black and white. As far as CSS filters are supported in webkit browsers, this solution is cross-browser.
Twitter Bootstrap is powerful mobile first front-end framework that provides all the necessary components to develop responsive websites using its common elements. One of the most popular elements on any website is the top navigation bar and the search widget. On a recent project, I had to implement Bigger & Fixed Search Box with Dropdown in Bootstrap Navbar and making the search bar fixed across different screen size.